Bill Gates does best ALS Ice Bucket Challenge video yet

Bill Gates does it best. Two days ago we showed you SatyaNadella taking part in the ALC Ice Bucket Challenge that's been going around. The purpose of this social media campaign is to raise awareness of amyotrophic lateral sclerosis (ALS), a serious neurodegenerative disease. Mark Zuckerburg of Facebook recently challenged Bill Gates. As you'll see in the video below, Bill Gates took the challenge like a champ.